BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 40 32.8%
2 United States 40 32.8%
3 Germany 14 11.5%
4 Netherlands 12 9.8%
5 Hong Kong 5 4.1%
6 Canada 4 3.3%
7 Taiwan 4 3.3%
8 United Kingdom 1 0.8%
9 Portugal 1 0.8%
10 Russia 1 0.8%